Intense
Intense adjective - Extreme in degree, power, or effect.
Relentless and intense are semantically related. In some cases you can use "Relentless" instead an adjective "Intense".
Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Intense and relentless are semantically related. Sometimes you can use "Intense" instead an adjective "Relentless".
Nearby Word: relentlessly
Cite this Source
Relentless and Intense. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/intense/relentless
Intense & Relentless. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/intense/relentless>.
Relentless or Intense. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/intense/relentless.
Google Ngram Viewer shows how "intense" and "relentless" have occurred on timeline